mini split leaking?
Andrew Tencer
3 years ago
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sktn77a
3 years agoAndrew Tencer
3 years agoRelated Discussions
Very bad mini split install
Comments (4)not minisplit related but... a metal building with metal studs & fiberglass batts...she is going to have one heck of a utility bill. what I've learned over the years is how highly conductive the metal studs are to the point of derating the fg batts to very low R-values. heat/cold transfers very well from shell to studs. in my hot/humid climate the wall studs condensate through the sheetrock in the late summer. with paneling ...which is thinner..I'd worry about this issue in this small house. the only way we get these homes to perform is to thermally break the walls by putting a foam sheathing board next to studs, under metal siding...and roof. well...there is always foam in the studs/rafter bays but the sheathing is a less cost install. at 1,000 sq ft and two ton minisplit...with all the openings in the paneling tha should have been sealed during the install of the minisplit... I'd run lowest speeds, and seal each opening in the paneling..at each ahu. what is the location of the house? best of luck....See MoreNitrogen leak test of R410A mini split system
Comments (1)Nameplate states pressure used at factory and should be suffecient in the field. I normally rely on vacuum test during evacuation to confirm system is tite and pressure to locate leak. No harm in doing both....See Moredrain opener on mini-split ac??
Comments (19)OP, if you are still reading this, and manage to get the existing drain unplugged, I have some suggestions to keep it from clogging up again if you want to keep trying to use the existing drain to avoid tearing into your walls. Please note two things, however, if you can get to the other end of the pipe or tube in your walls, you stand a good chance of unplugging it. Also note that fixing and painting drywall is a relatively inexpensive process that might allow a more permanent fix by changing to hard pipe or a different flexible tubing type. Make sure that your unit has its drain running out to the same side that the opening in the wall is on. Most of them have the option of draining out either the right or left side, but I have seen them installed such that the condensate runs to one side of the appliance only to have the pigtail drainage tube pass all the way across the back to drain out the hole on the opposite side. Make sure the pigtail has as even a downward slope from the condensate tray into the wall as possible. There should be no upward slope anywhere because it will encourage water and crud accumulation. It should be fairly easy to remove the condensate tray completely for cleaning. (I feel like you are already mostly there if not past that point if you have removed the drain pigtail. Check YouTube for videos.) Use some condensate drain tablets to discourage microbial growth in the tray and the drain lines. Now they are marketing specific products for mini splits rather than having to cut down gel tab and whatnot products designed for larger ducted systems. Rectorseal ACTABS DMSS is one product and PurCool Green Mini Strips are another. Note that if you take the main cover off and remove the condensate tray you will probably have great access to the entire squirrel cage blower to clean that with a vacuum cleaner and great access to the coils that can then be cleaned with a foam cleaner if visible lint is caught on that. If no visible lint is in the coils, you can spray on a neutral to slightly alkaline pH coil cleaner like Nu Calgon Evap Pow’r -C. If you keep the crud out of the coils and blower tube, it will probably help keep the condensate drain system more clear and condensate flowing....See MoreMitsubishi Ductless split system Freon leak
Comments (1)Here's some information in terms of pairing what I believe is the MXZ 2C20 with working configs. This was dated 2014 so quite likely all these units may have been discontinued. There are a number of dizzying arrays of equipment models that work with this unit versus models that won't work with it. This is the con of the mini split world. Outside of the manufacture warranty, there is no support. You simply buy a new unit --- indoor and out and if it's a zoned set up you may be looking at replacing the entire system. This is why a normal ducted split AC shines in terms of longevity. The other con that you must think about if you can find a working match to your system is if a problem develops with your outside unit that it can not be repaired due to no parts available (obsolete) if the indoor part was replaced will it work with the new outdoor unit that you happen to find? This is the double edge sword of the mini split units. Because they are sold as 'matching sets' that communicate with one another. The manufacturer controls everything....See MoreAustin Air Companie
3 years agoAndrew Tencer
3 years agoSharon Perkins
3 years agoAndrew Tencer
3 years agoAndrew Tencer
3 years agoAndrew Tencer
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